Shaker screen



FIG. 1 is a top plan view of a shaker screen in accordance with the present invention;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a back elevation view thereof;

FIG. 7 is a top perspective view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines show portions of the shaker screen that form no part of the claimed design. 

CLAIM The ornamental design for the shaker screen, as shown. 